in quite a few challengeshas resultedin quite a few challenges
as the shortage of resourceswill resultas the shortage of resources
immense problemshas causedimmense problems
to numerous problemshas ledto numerous problems
Two problems(passive) caused byTwo problems
to numerous problemshas ledto numerous problems
in several troubleshas resultedin several troubles
to various troubleshas ledto various troubles
to several challengeshas ledto several challenges
to toxic pollutionhas also contributedto toxic pollution
to bad infrastructure and poor urbanisationleadsto bad infrastructure and poor urbanisation
to this air pollutionleadsto this air pollution
in healthy animals being euthanized because of overcrowdingresultin healthy animals being euthanized because of overcrowding
the problems(passive) caused bythe problems
the problems(passive) caused bythe problems
the problems(passive) caused bythe problems
the problems(passive) caused bythe problems
natural water sources pollutioncausenatural water sources pollution
the increasing social costs(passive) caused bythe increasing social costs
to numerous problemshas ledto numerous problems
to numerous problemshas ledto numerous problems
to numerous problemshas ledto numerous problems
to numerous problemshas leadto numerous problems
to numerous problems herehas ledto numerous problems here
to numerous problemshas ledto numerous problems
to numerous problemshas ledto numerous problems
to numerous problemshas ledto numerous problems
to numerous problemshas ledto numerous problems
to numerous problemshas ledto numerous problems
various kinds of problemscausesvarious kinds of problems
the social costs(passive) caused bythe social costs
the challenges(passive) could be caused bythe challenges
the challenges(passive) could be causedthe challenges
to many problemshas ledto many problems
to numeroushas ledto numerous
Serious problems(passive) are caused bySerious problems
largelycontributelargely
a range of problems such as traffic jams and a litter pollutionhas leda range of problems such as traffic jams and a litter pollution
respiratory illness due to air pollution , or causing psychological alienation from mass anonymitycausingrespiratory illness due to air pollution , or causing psychological alienation from mass anonymity